Daisy Chain PC Fans: Signal and power are transmitted via PIN-to-PIN connectors, requiring only one cable per fan group, providing greater flexibility, easier installation (fans are designed for snap-together assembly, with no magnetic suction, see Figure 2 for detailed installation) EY120PRO ARGB Case Fan: The wind blows in from the rear pillar and out from the front of the fan Daisy Chain Reverse Fans Specifications: Size: 120*122*25MM, Speed: 900-1800RPM±10%, Noise ? 30dBA Current: 0.18A, Air Flow: 61.5 CFM, Higher air flow for improved cooling performance ARGB PWM Fan: Addressable RGB function support light effect synchronization: Side Infinity Mirror Lighting Effect and Front ARGB Lighting, presenting a 3D visual sense, making your pc case more splendid Hydro Bearing solve the problem of pc cooling fan blade shaking in lifting mode, keeping fan noise to a minimum while providing maximum cooling performance